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linux/scripts/mod
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Hugh Dickins 2ea77fca84
modpost: Initialize builtin_modname to stop SIGSEGVs 
Segmentation fault ./scripts/mod/modpost -o vmlinux.symvers vmlinux.o
stops the kernel build.  It comes when write_vmlinux_export_c_file()
tries to buf_printf alias->builtin_modname.  malloc'ed memory is not
necessarily zeroed.  NULL new->builtin_modname before adding to aliases.

Fixes: 5ab23c7923 ("modpost: Create modalias for builtin modules")
Signed-off-by: Hugh Dickins <hughd@google.com>
Reviewed-by: Nicolas Schier <nsc@kernel.org>
Link: https://patch.msgid.link/4590a243-0a7e-b7e6-e2d3-cd1b41a12237@google.com
Signed-off-by: Nathan Chancellor <nathan@kernel.org>
 		2025-09-28 07:54:07 -04:00
..
.gitignore
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Makefile Makefile: remove redundant tool coverage variables 2024-05-14 23:35:48 +09:00
devicetable-offsets.c usb: typec: Only use SVID for matching altmodes 2024-12-24 08:56:05 +01:00
empty.c
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file2alias.c modpost: Initialize builtin_modname to stop SIGSEGVs 2025-09-28 07:54:07 -04:00
mk_elfconfig.c modpost: detect endianness on run-time 2024-09-01 20:33:32 +09:00
modpost.c modpost: Create modalias for builtin modules 2025-09-24 09:10:45 -07:00
modpost.h modpost: Create modalias for builtin modules 2025-09-24 09:10:45 -07:00
sumversion.c modpost: use strstarts() to clean up parse_source_files() 2025-03-15 21:16:22 +09:00
symsearch.c modpost: replace the use of NOFAIL() with xmalloc() etc. 2024-09-01 20:34:48 +09:00